Team Canada will play three games in Spain and three in France to prepare for 2015 FIBA Americas.
Canada won gold in 2011 with USA Basketball at the FIBA Americas U16 Championship.
The Bruin standout played four games for the L.A. Sparks at the end of last season.
A total of 54 athletes will attend the Pan American Games and World University Games Trials.
Fields joins 22 athletes to attend Phase 1 tryout by invitation in Edmonton.
The freshman forward will head to Poland this summer to play three exhibition games in late June.
Freshman guard scored a career-high 31 points in the Championship game and was named MVP of the WNIT
Freshman Jordin Canada scored a career-high 31 points to lead UCLA past West Virginia, 62-60.
The Bruins are looking for their first postseason title of any kind since 2006.
Kari Korver led UCLA with 21 points, tying a career-high in three-pointers with five.
Bruin junior has led UCLA to the WNIT semifinals, averaging 19.5 points in two games last week.
UCLA is 1-0 all-time vs. UM, posting a 65-58 win in the first round of the NCAA Tournament in 1998.